@article{GDZPPN002092662, title = {A Moebius-Like Formula in the Schubert Calcalus.}, journal = {Inventiones mathematicae}, volume = {34}, year = {1976}, pages = {317-320}, zbl = {0353.20032}, url = {http://dml.mathdoc.fr/item/GDZPPN002092662} }
Demazure, Michel. A Moebius-Like Formula in the Schubert Calcalus.. Inventiones mathematicae, Tome 34 (1976) pp. 317-320. http://gdmltest.u-ga.fr/item/GDZPPN002092662/